Zoned electrically-heated particulate matter filter for exhaust temperature elevating

Zoned electrically-heated particulate matter filter for exhaust temperature elevating

  • CN 101,392,677 B
  • Filed: 09/18/2008
  • Issued: 05/22/2013
  • Est. Priority Date: 09/18/2007
  • Status: Active Grant
First Claim
Patent Images

1. system comprises:

  • Electric heater;

    Particulate matter filter, described particulate matter filter with near described electric heater with arrange with a kind of mode during described electric heater contacts;

    WithControl module, described control module optionally increase to the first temperature with the exhaust gas temperature of motor, and use during higher than described the first temperature described electric heater to start the regeneration of described particulate matter filter in described exhaust gas temperature,Wherein, described the first temperature is greater than the maximum exhaust gas temperature at described particulate matter filter of non-renewable operation period place, and less than the oxidizing temperature of particulate matter.

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